US6365759B1ExpiredUtility

Intermediate compounds for preparing macrocylcic analogs

Assignee: EISAI CO LTDPriority: Jun 17, 1998Filed: Oct 2, 2000Granted: Apr 2, 2002

Est. expiryJun 17, 2018(expired)· nominal 20-yr term from priority

Inventors:Bruce A. Littlefield Monica Palme Boris M. Seletsky Murray J. Towle Melvin J. Yu Wanjun Zheng

A61P 35/00C07D 493/22

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Claims

Abstract

Intermediate compounds of the formulas for use in the preparation of macrocyclic analogs.

Claims

exact text as granted — not AI-modified

What is claimed is:  
     
       1. A compound having the formula:                    
     
     
       2. A compound having the formula:                    
     
     
       3. A compound having the formula:                    
     
     
       4. A compound having the formula:

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